Applied for: Promotional gifts, toys and hobby, books, wearable, package Activated: by touchMessages: voice, music, and sound are available Function: pre-recorded or recordable, made with waterproof, LED flashing (optional) Recording duration: from 6s to 270s, even more if required Components: PCB, sensor, voice chip, speaker, LED indicator and batteries, more or less for different items Power: cell or AAA battery OEM/ODM service is available